خرید vpn , خرید کریوخرید vpn , خرید کریو

سلام دوستان عزیزم ، عیدتون مبارک
برنامه من این error رو میده :
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 52 – Unable to locate a Local Database R…